Abstract
MANY types of sensitive flame have been described from time to time, and measurements of the range of pitch and of the pressure at which they are sensitive have been made, but I have not seen any quantitative record of the variation of the length of such a flame or jet. In this connexion some experiments made recently by Mr. E. Tyler and myself with jets of coloured water flowing into still water seem to be relevant. At a certain distance from the nozzle from which it is issuing the stream suddenly breaks down into general turbulence. Measurements of the continuous length of the jet, L, under different heads of pressure were made, and hence a curve of velocity of efflux, v0, against L obtained. Two of these are shown in Fig. 1; they have the form of rectangular hyperbolæ; a similar curve was obtained with a jet of air mixed with smoke.
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RICHARDSON, E. Sensitive Jets and Flames. Nature 116, 171–172 (1925). https://doi.org/10.1038/116171a0
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DOI: https://doi.org/10.1038/116171a0
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